<!DOCTYPE html>
<html>
<head>
    <title>puzzle</title>
    <meta charset="utf-8"/>
    <link rel="stylesheet" type="text/css" href="puzzle2.0.css"/>
    <link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">    
</head>
<body>
    <p class="title">Puzzle2.0</p>
    <div class="container"></div>
    <div class="intro">
        <h3>Input number ( 2~10 ): </h3>
        <input type="text" id="num"/>
        <button class="confirm">确认</button>
    </div>
    <div class="box" style="visibility: hidden"></div>
    <script type="text/javascript" src="jquery.js"></script> 
    <script type="text/javascript" src="puzzle2.0.js"></script>
</body>
</html>